<template>
  <el-form class="login-form" status-icon :rules="loginRules" ref="loginForm" :model="loginForm" label-width="0">
    <el-form-item prop="account">
      <el-input size="small" @keyup.enter.native="handleLogin" v-model="loginForm.account" auto-complete="off"
        :placeholder="$t('login.username')">
        <i slot="prefix" class="el-icon-user"></i>
      </el-input>
    </el-form-item>
    <el-form-item prop="password">
      <el-input size="small" @keyup.enter.native="handleLogin" :type="passwordType" v-model="loginForm.password"
        auto-complete="off" :placeholder="$t('login.password')">
        <i class="el-icon-view el-input__icon" slot="suffix" @click="showPassword"></i>
        <i slot="prefix" class="el-icon-s-goods"></i>
      </el-input>
    </el-form-item>
    <el-form-item prop="code">
      <el-row :span="24">
        <el-col :span="16">
          <el-input size="small" @keyup.enter.native="handleLogin" :maxlength="code.len" v-model="loginForm.code"
            auto-complete="off" :placeholder="$t('login.code')">
            <i slot="prefix" class="el-icon-help"></i>
          </el-input>
        </el-col>
        <el-col :span="8">
          <div class="login-code">
            <span class="login-code-img" @click="refreshCode" v-if="code.type == 'text'">{{ code.value }}</span>
            <img :src="code.src" class="login-code-img" @click="refreshCode" v-else />
            <!-- <i class="icon-shuaxin login-code-icon" @click="refreshCode"></i> -->
          </div>
        </el-col>
      </el-row>

    </el-form-item>

    <el-form-item>
      <el-button type="primary" size="small" @click.native.prevent="handleLogin" class="login-submit">{{
    $t('login.submit') }}</el-button>
    </el-form-item>
  </el-form>
</template>

<script>
import { baseUrl } from '@/config/env';
import { randomLenNum } from "@/util/util";
import { mapGetters } from "vuex";
export default {
  name: "userlogin",
  data() {
    const validateCode = (rule, value, callback) => {
      if (this.code.value != value) {
        this.loginForm.code = "";
        this.refreshCode();
        callback(new Error("请输入正确的验证码"));
      } else {
        callback();
      }
    };
    return {
      loginForm: {
        account: "",
        password: "",
        code: "",
        redomStr: ""

      },
      checked: false,
      code: {
        src: "",
        value: "",
        len: 4,
        type: "text"
      },
      loginRules: {
        account: [
          { required: true, message: "请输入用户名", trigger: "blur" }
        ],
        password: [
          { required: true, message: "请输入密码", trigger: "blur" },
          { min: 6, message: "密码长度最少为6位", trigger: "blur" }
        ],
        code: [
          { required: true, message: "请输入验证码", trigger: "blur" },
          { min: 4, max: 4, message: "验证码长度为4位", trigger: "blur" },
          { required: true, trigger: "blur", validator: validateCode }
        ]
      },
      passwordType: "password"
    };
  },
  created() {
    this.refreshCode();

  },
  mounted() { },
  computed: {
    ...mapGetters(["tagWel"])
  },
  props: [],
  methods: {
    refreshCode() {
      this.loginForm.redomStr = randomLenNum(this.code.len, true);
      this.code.type == "text"
        ? (this.code.value = randomLenNum(this.code.len))
        : (this.code.src = `${baseUrl}/code?=${this.loginForm.redomStr}`);
      this.loginForm.code = this.code.value;
    },
    showPassword() {
      this.passwordType == ""
        ? (this.passwordType = "password")
        : (this.passwordType = "");
    },
    handleLogin() {
      this.$refs.loginForm.validate(valid => {
        if (valid) {
          this.$store.dispatch("LoginByUsername", this.loginForm).then(() => {
            this.$router.push(this.tagWel);
          }).catch((err) => {
            this.$message.error('网络错误');
            console.log(err);
          })
        }
      });
    }
  }
}
</script>

<style></style>
